Knipling, Edward Fred. 1948. Insect control investigations of the Orlando, Fla., laboratory during World War II. In Smithsonian Report for 1948, Publication 3968. Washington, District of Columbia: Government Printing Office.  , 1948

Knipling, Edward Fred. 1948. Insect control investigations of the Orlando, Fla., laboratory during World War II. In Smithsonian Report for 1948, Publication 3968. Washington, District of Columbia: Government Printing Office.  , 1948, VI.A, Box: 25, Folder: 1283. Edward Fred Knipling Papers, MS0210. National Agricultural Library Special Collections. http://localhost:8081/repositories/4/archival_objects/74157 Accessed October 12, 2026.